The number of wins in a season for 16 randomly selected professional football teams are listed below. Construct a 99% confidence interval for the true mean number of wins in a season. Assume that s is 2.6. Round to three decimal places. 9 9 9 8 10 9 7 2 11 10 6 4 11 9 8 8
(a) Determine x-bar Answer.
(b) Find the Critical Value Answer.
(c) What is the margin of error? Answer
(d) Calculate and interpret the confidence interval of this situation..
We are Answer% confident that the population mean number of wins in a professional football season are between Answer and Answer. |
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